A bicycle and rider of total weight 815 N travel at a speed of 40.0 km/h.
The rider hits the breaks and the bicycle slides to a full stop in a distance of 8.5 m.
Ignore air resistance and use g=9.8 m/s2.
The coefficient of kinetic friction between the tires (rubber) and the road (pavement) is closest to:
a)zero
b)larger than zero but smaller than 30
c)exactly equal to 30
d)larger than 30
The rider hits the breaks and the bicycle slides to a full stop in a distance of 8.5 m.
Ignore air resistance and use g=9.8 m/s2.
The coefficient of kinetic friction between the tires (rubber) and the road (pavement) is closest to:
a)zero
b)larger than zero but smaller than 30
c)exactly equal to 30
d)larger than 30